UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a+NqVsuUqS7qFx3pPg6fyulsdtsVIrD8jsrw4/tXW7U=' 
WHERE 
  key_id = '3ddd325738c91a2f90aac06d16189396e3d0a19a52920aadcb870065bdb9cb5f' 
  AND (
    token = 'a+NqVsuUqS7qFx3pPg6fyulsdtsVIrD8jsrw4/tXW7U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )